Constant Flow Valve Principle
Constant Flow Valve keep flow rate of gases or liquids at constant value even when the supply or load pressure changes. Control valve with diaphragm automatically acts following the change of…
H & B Gas Analyzer Principle and Calibration Procedure
H & B Gas Analyzer Principle and Calibration Procedure Objective: H& B make gas analyzer (For Measuring CH4, CO2, and Co) Principle & Calibration Procedure. Principle: Gas analyzers works on…
Load Cell Healthiness Checks
A load cell is a device that is used to measure weight or force. W hen a force is applied to it in a specific manner, a load cell produces…
Types of Thermocouples
The most common types of thermocouples are the Type B, E, J, K, N, R, S, T, C, & P. Before choosing the type of thermocouple for your process, make…
Bently Nevada Vibration Probes Functional Testing
Bently Nevada Vibration Probes Functional Testing Objective : To check the characteristics and healthiness of vibration probes ( make : Bently Nevada ) Principle: Proximity transducers use Eddy Current principle to…
Motor Operated Valve Functional Testing
ELECTRIC MOTOR VALVE ACTUATOR FUNCTION TEST Test Equipment Required :- 415 Volt Supply Multimeter Clamp-on Meter Megger Tester Typical Test Set-up Functional Test Procedure a. Check motor spec as per…
4-wire Passive versus Active Transmitters
4-wire “passive” versus “active” output transmitters Some self-powered (4-wire) analog electronic transmitters are designed to behave as electrical loads rather than as electrical sources. Such transmitters are commonly referred to…
2-wire Transmitters Current Loops
2-wire (“loop-powered”) transmitter current loops It is possible to convey electrical power and communicate analog information over the same two wires using 4 to 20 milliamps DC, if we design…
4-wire Transmitters Current Loops
4-wire (“self-powered”) Transmitter current loops DC electric current signals may also be used to communicate process measurement information from transmitters to controllers (PLC/DCS), indicators, recorders, alarms, and other input devices.…
Self Actuated Pressure Control Valve Functional Testing
SELF ACTUATED PRESSURE CONTROL VALVE FUNCTIONAL TESTING 1) Pressure Reducing Method Test Equipment Required :- Regulator Test Gauge Typical Test Set-up Functional Testing Procedure a. Check instrument data, check for…
